Walker



FIG. 1 is a perspective view of a walker, showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view of the walker, shown in use.

The broken lines showing a container along the underside of the walkerin FIG. 8 depicts environmental subject matter that forms no part of theclaimed design, while the remaining broken lines shown in the drawingsdepict portions of the walker that form no part of the claimed design.

CLAIM The ornamental design for a walker, as shown and described.